in closed bolt, if you chop, you can only tell after you shoot. and if it is cycling too fast there is not enough time for the ball to drop into the chamber. if you fire slowly then you still can chop
openbolt, if you chop you know right away, if you fire slowly the chamber is open for the majoraty of the time so you probly wont chop
openbolt, if you chop you know right away, if you fire slowly the chamber is open for the majoraty of the time so you probly wont chop